You're probably used to sending emails to friends and colleagues at any number of different addresses and you don't have to think twice about which email service they use. The same should be true for collaboration tools. <a href="http://www.novell.com/pulse">Novell Pulse</a>, an upcoming enterprise-focused collaboration tool, is built using the <a href="http://www.waveprotocol.org/">Google Wave Federation Protocol</a>, which means Novell Pulse users will be able to collaborate not only with each other, but also with anyone using another wave service, such as Google Wave.<br /><br />At the closing keynote of Novell's BrainShare conference today, we showed a demo of how Novell Pulse and Google Wave will work together.…